package study;

import cn.hutool.core.util.ObjectUtil;

/**
 * @Author 金贵权
 * @Date 2023/6/8 10:30
 **/
public class Demo2 {
    public static void main(String[] args) {
        String phone = "细胞制备（考试）";
        boolean result = phone.contains("细胞制备");
        System.out.println(result);
        Long cellLibraryId=0l;
        String cellCount=null;
        Integer i = null;
        System.out.println("0.0".equals(cellCount));
        System.out.println(i == null);
        System.out.println(ObjectUtil.isNull(cellLibraryId));
    }
}

